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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        // 多行定义多个变量
        // let name = "jack";
        // let email = "jack@qq.com";
        // let phone = "123456789";

        //不推荐使用这种写法
        // let name = "jack", phone = "123456789", email = "jack@qq.com";

        
    </script>
</body>
</html>